As you have heard (and no doubt will continue to hear), PC users are a varied lot and we all have our personal choices when it comes to commenting on queries such as the one you raised.
So let me offer you mine...
I've dealt with scores of PC users (including many, if not most, of them are avid gamers - I'm NOT a gamer), and without exception - not one has ever bemoaned the fact that the SSD they purchased contained too much disk-space capacity. On the other hand, many of them regretted the fact that they didn't originally purchase a larger SSD than they did - either by choice or primarily because of cost considerations.
So, FWIW...assuming it's not-out-of-the-question cost-wise...purchase the 1 TB SSD you're considering (the Samsung...